Description : Heat Shrink Tubing 25.4 mm Black Tube Sleeving Kit Pack Supplied internal diameter : 25.4 mm minimum Fully shrunk internal diameter : 12.7 mm maximum Length : 1.22m Colour : Black Shrinkage Ratio : 2 : 1 (will shrink to half its supplied diameter) Wall thickness (when fully shrunk) : 0.8 mm approx. Material : Polyolefin Minimum Shrinkage Temp : +70 C Full Shrinkage Temp : +110 C maximum Operating Temperature : -55 C to +125 C Tensile strength : 10.4 Mpa Dielectric strength : 15 kV\/mm Manufacture specification : ISO9001 Flammability : Flame Retardant Approvals : UL Approved Supplied format (round or flat) : Product is supplied flat Shrinking method : Heat gun - see our eBay Shop for products Cutting method : Scissors or sharp knife Package Includes : 1 x Heat Shrink(25.4mm) Detail pictures :